blob: 5eded7fe945201bb17649cbbda49c242f1cd545f (
plain)
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#!/bin/sh
dev="$1"
start="$(($(cat /sys/class/net/$dev/statistics/rx_bytes | paste -sd '+')))"
end="$start"
if [ "$2" ]; then
delay="$2"
else
delay=10
fi
printf "Recording bandwidth.\n"
report() {
end="$(($(cat /sys/class/net/$dev/statistics/rx_bytes | paste -sd '+')))"
numfmt --to=iec $(($end - $start))
}
trap report SIGINT
while sleep "$delay"; do
report
done
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